TIG Welding Waveforms for Aluminum - AC Techniques and Applications

Explore the intricacies of TIG welding aluminum with AC waveforms in this comprehensive 28-minute video. Delve into the fundamentals of polarity before examining various wave types used in aluminum welding. Watch as the instructor demonstrates practical application by welding an aluminum frame for a custom TIG art piece, incorporating copper as a canvas for a tree design using silicon bronze, and employing flame painting techniques for unique coloration. Learn about different waveforms, including sine waves, and understand crucial concepts such as AC balance, frequency, and mix TIG. Follow along with the project breakdown, machine settings, testing on scrap material, and the importance of preheating aluminum. Discover insights on welding frame corners, the possibility of AC welding copper, and the process of welding silicon bronze to copper. Conclude with a demonstration of flame painting techniques and an examination of the final results, providing a comprehensive overview of advanced TIG welding techniques for aluminum.